CN106802170B - 流量传感器、质量流量输送测控装置及其温漂抑制方法 - Google Patents
流量传感器、质量流量输送测控装置及其温漂抑制方法 Download PDFInfo
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- CN106802170B CN106802170B CN201611257308.XA CN201611257308A CN106802170B CN 106802170 B CN106802170 B CN 106802170B CN 201611257308 A CN201611257308 A CN 201611257308A CN 106802170 B CN106802170 B CN 106802170B
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- Prior art keywords
- resistance
- resistance value
- digital regulation
- temperature
- mass flow
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
- G01F1/699—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters by control of a separate heating or cooling element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Flow Control (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611257308.XA CN106802170B (zh) | 2016-12-30 | 2016-12-30 | 流量传感器、质量流量输送测控装置及其温漂抑制方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611257308.XA CN106802170B (zh) | 2016-12-30 | 2016-12-30 | 流量传感器、质量流量输送测控装置及其温漂抑制方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106802170A CN106802170A (zh) | 2017-06-06 |
CN106802170B true CN106802170B (zh) | 2019-07-19 |
Family
ID=58984154
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CN201611257308.XA Active CN106802170B (zh) | 2016-12-30 | 2016-12-30 | 流量传感器、质量流量输送测控装置及其温漂抑制方法 |
Country Status (1)
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CN (1) | CN106802170B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110672187B (zh) * | 2019-11-05 | 2021-08-31 | 北京七星华创流量计有限公司 | 传感器对称性检测方法和装置 |
CN117824771B (zh) * | 2024-03-06 | 2024-06-04 | 成都睿宝电子科技有限公司 | 一种用于热式流量计的自动温度补偿电路及补偿方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5311762A (en) * | 1991-12-16 | 1994-05-17 | Dxl Usa | Flow sensor calibration |
CN1262738A (zh) * | 1998-03-20 | 2000-08-09 | 航空发动机的结构和研究公司 | 用于很低温度下的具有非线性零点漂移补偿的压力传感器 |
JP2001330520A (ja) * | 2000-05-24 | 2001-11-30 | Mitsubishi Heavy Ind Ltd | 高温ひずみ計測装置 |
CN101055203A (zh) * | 2006-04-13 | 2007-10-17 | 株式会社日立制作所 | 热式流量传感器 |
KR20080021986A (ko) * | 2006-09-05 | 2008-03-10 | 현대자동차주식회사 | 수명증대를 위한 흡입공기량 센서 |
CN101719000A (zh) * | 2009-11-24 | 2010-06-02 | 北京七星华创电子股份有限公司 | 气体质量流量检测、控制***及方法 |
CN103575376A (zh) * | 2013-10-12 | 2014-02-12 | 酒泉钢铁(集团)有限责任公司 | 一种在线解决多只称重传感器输出信号负向漂移的电路及方法 |
CN106133483A (zh) * | 2014-03-31 | 2016-11-16 | 日立金属株式会社 | 质量流量的测定方法、使用该方法的热式质量流量计以及使用该热式质量流量计的热式质量流量控制装置 |
-
2016
- 2016-12-30 CN CN201611257308.XA patent/CN106802170B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5311762A (en) * | 1991-12-16 | 1994-05-17 | Dxl Usa | Flow sensor calibration |
CN1262738A (zh) * | 1998-03-20 | 2000-08-09 | 航空发动机的结构和研究公司 | 用于很低温度下的具有非线性零点漂移补偿的压力传感器 |
JP2001330520A (ja) * | 2000-05-24 | 2001-11-30 | Mitsubishi Heavy Ind Ltd | 高温ひずみ計測装置 |
CN101055203A (zh) * | 2006-04-13 | 2007-10-17 | 株式会社日立制作所 | 热式流量传感器 |
KR20080021986A (ko) * | 2006-09-05 | 2008-03-10 | 현대자동차주식회사 | 수명증대를 위한 흡입공기량 센서 |
CN101719000A (zh) * | 2009-11-24 | 2010-06-02 | 北京七星华创电子股份有限公司 | 气体质量流量检测、控制***及方法 |
CN103575376A (zh) * | 2013-10-12 | 2014-02-12 | 酒泉钢铁(集团)有限责任公司 | 一种在线解决多只称重传感器输出信号负向漂移的电路及方法 |
CN106133483A (zh) * | 2014-03-31 | 2016-11-16 | 日立金属株式会社 | 质量流量的测定方法、使用该方法的热式质量流量计以及使用该热式质量流量计的热式质量流量控制装置 |
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Publication number | Publication date |
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CN106802170A (zh) | 2017-06-06 |
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Address after: 100015 Jiuxianqiao East Road, Chaoyang District, Chaoyang District, Beijing Applicant after: North China Science and technology group Limited by Share Ltd. Address before: 100016 Jiuxianqiao East Road, Chaoyang District, Chaoyang District, Beijing Applicant before: BEIJING SEVENSTAR ELECTRONIC Co.,Ltd. |
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Effective date of registration: 20180507 Address after: 100176 506, room 1, 8 Wenchang Avenue, Beijing economic and Technological Development Zone. Applicant after: BEIJING SEVENSTAR FLOW Co.,Ltd. Address before: 100015 Jiuxianqiao East Road, Chaoyang District, Chaoyang District, Beijing Applicant before: North China Science and technology group Limited by Share Ltd. |
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